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K-99 Hwy over Rock CR & Pdstrn Pass

Pottawatomie County, Kansas · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

K-99 Hwy over Rock CR & Pdstrn Pass in Pottawatomie County, Kansas, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 7 (good condition) on the 0-9 scale.
It was built in 2005, making it 20 years old at the 2025 inventory.
It carries about 1,272 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 147 of the 297 inventoried bridges in Pottawatomie County rated good (49.5%); 19 (6.4%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Continuous steel stringer or multi-beam girder
Length	about 205 ft
Location	13.66 Mi N US-24 Hwy
NBI structure number	999909900750561
Condition class	Good

Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.

Bridge	Built	Vehicles/day	Condition
US24 Hwy WB over Big Blue River	1960	12,937	Good
US-24 Hwy EB over Big Blue River	1991	12,937	Good
US24 Hwy over College Creek	2015	7,877	Good
US24 Hwy over Sand Creek	1950	6,515	Good
US24 Hwy over Kansas River Drainage	1950	6,515	Good
Green Valley Road over Trib. to Big Blue River	1984	6,314	Fair